Parents who reject vaccination are making a rational choice – they prefer to put their children above the public good. Interesting article by Maggie Koerth-Baker. I'm not sure I believe her. --
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Homo naledi, discovered in Rising Star cave, near Johannesburg, is a human ancestor unlike any species previously known. The find is arguably one of the most important discoveries in human origins research in half a century. It’s also the most perplexing. Until now only Homo sapiens, and possibly some archaic humans such as the Neanderthals, are known to have treated their dead in such a ritualized manner. --
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